:root{--brand-neutral-50:#fafafa;--brand-neutral-100:#f5f5f5;--brand-neutral-200:#e5e5e5;--brand-neutral-300:#d4d4d4;--brand-neutral-400:#a3a3a3;--brand-neutral-500:#737373;--brand-neutral-600:#525252;--brand-neutral-700:#404040;--brand-neutral-800:#262626;--brand-neutral-900:#171717;--brand-neutral-950:#0a0a0a;--brand-red-50:#fef2f2;--brand-red-100:#fee2e2;--brand-red-200:#fecaca;--brand-red-300:#fca5a5;--brand-red-400:#f87171;--brand-red-500:#ef4444;--brand-red-600:#dc2626;--brand-red-700:#b91c1c;--brand-red-800:#991b1b;--brand-red-900:#7f1d1d;--brand-red-950:#450a0a;--brand-orange-50:#fff7ed;--brand-orange-100:#ffedd5;--brand-orange-200:#fed7aa;--brand-orange-300:#fdba74;--brand-orange-400:#fb923c;--brand-orange-600:#ea580c;--brand-orange-700:#c2410c;--brand-orange-800:#9a3412;--brand-orange-900:#7c2d12;--brand-orange-950:#431407;--brand-amber-50:#fffbeb;--brand-amber-100:#fef3c7;--brand-amber-200:#fde68a;--brand-amber-300:#fcd34d;--brand-amber-400:#fbbf24;--brand-amber-500:#f59e0b;--brand-amber-600:#d97706;--brand-amber-700:#b45309;--brand-amber-800:#92400e;--brand-amber-900:#78350f;--brand-amber-950:#451a03;--brand-blue-50:#eff6ff;--brand-blue-100:#dbeafe;--brand-blue-200:#bfdbfe;--brand-blue-300:#93c5fd;--brand-blue-400:#60a5fa;--brand-blue-500:#3b82f6;--brand-blue-600:#2563eb;--brand-blue-700:#1d4ed8;--brand-blue-800:#1e40af;--brand-blue-900:#1e3a8a;--brand-blue-950:#172554;--brand-green-50:#f0fdf4;--brand-green-100:#dcfce7;--brand-green-200:#bbf7d0;--brand-green-300:#86efac;--brand-green-400:#4ade80;--brand-green-500:#22c55e;--brand-green-600:#16a34a;--brand-green-700:#15803d;--brand-green-800:#166534;--brand-green-900:#14532d;--brand-green-950:#052e16;--brand-emerald-600:#059669;--brand-teal-600:#0d9488;--brand-cyan-900:#164e63;--brand-purple-400:#c084fc;--brand-rose-500:#f43f5e;--brand-primary-50:#faf9f5;--brand-primary-100:#f7f6ef;--brand-primary-150:#f3f2ec;--brand-primary-200:#eceae0;--brand-primary-300:#d6d3ca;--brand-primary-400:#b8b4ab;--brand-primary-500:#928e86;--brand-primary-600:#716d66;--brand-primary-700:#524e48;--brand-primary-800:#37342e;--brand-primary-900:#242220;--brand-primary-950:#191919;--brand-sf-pink-50:#fdfcff;--brand-sf-pink-100:#fcf6ff;--brand-sf-pink-200:#fbf0ff;--brand-sf-pink-300:#f9e7ff;--brand-sf-pink-400:#f8e0ff;--brand-sf-pink-500:#f5d5ff;--brand-sf-pink-600:#e4bef0;--brand-sf-pink-700:#cd8de1;--brand-sf-pink-800:#c05cdf;--brand-sf-pink-900:#8a00b5;--brand-sf-pink-950:#3d0050;--brand-sf-pink-1050:#201224;--brand-sf-pink-1100:#311e36;--brand-sf-pink-1150:#5c4262;--brand-sf-blue-50:#fafeff;--brand-sf-blue-100:#f1feff;--brand-sf-blue-200:#e1feff;--brand-sf-blue-300:#d5fdff;--brand-sf-blue-400:#caf2f3;--brand-sf-blue-500:#bbeef0;--brand-sf-blue-600:#a6d9db;--brand-sf-blue-700:#00b5c2;--brand-sf-blue-800:#00929c;--brand-sf-blue-900:#006d75;--brand-sf-blue-950:#00363a;--brand-sf-blue-1050:#001e1f;--brand-sf-blue-1100:#002d30;--brand-sf-blue-1150:#1b575a;--brand-sf-peach-50:#fffaf5;--brand-sf-peach-100:#fff5ec;--brand-sf-peach-200:#ffeddb;--brand-sf-peach-300:#ffe3c8;--brand-sf-peach-400:#ffd6b0;--brand-sf-peach-500:#ffca98;--brand-sf-peach-600:#ffaa6b;--brand-sf-peach-700:#f98538;--brand-sf-peach-800:#d65500;--brand-sf-peach-900:#933a00;--brand-sf-peach-950:#4a1d00;--brand-sf-peach-1050:#261305;--brand-sf-peach-1100:#391f0c;--brand-sf-peach-1150:#6a4225;--brand-sf-lemon-50:#fffff5;--brand-sf-lemon-100:#ffffe9;--brand-sf-lemon-200:#feffcd;--brand-sf-lemon-300:#fdffaf;--brand-sf-lemon-400:#fdff96;--brand-sf-lemon-500:#f9f284;--brand-sf-lemon-600:#ded877;--brand-sf-lemon-700:#d8b000;--brand-sf-lemon-800:#b89600;--brand-sf-lemon-900:#907600;--brand-sf-lemon-950:#604e00;--brand-sf-lemon-1050:#1d1807;--brand-sf-lemon-1100:#2c2612;--brand-sf-lemon-1150:#564d2c;--brand-sf-lime-50:#fafff5;--brand-sf-lime-100:#f4ffeb;--brand-sf-lime-200:#ebffda;--brand-sf-lime-300:#dfffc3;--brand-sf-lime-400:#d7ffb4;--brand-sf-lime-500:#bcf887;--brand-sf-lime-600:#ace37d;--brand-sf-lime-700:#6aba00;--brand-sf-lime-800:#4c8100;--brand-sf-lime-900:#355800;--brand-sf-lime-950:#1c2e00;--brand-sf-lime-1050:#121c07;--brand-sf-lime-1100:#1e2b0f;--brand-sf-lime-1150:#40552a;--brand-sf-yellow-1050:#1e1c00;--brand-sf-yellow-1100:#2a2700;--brand-sf-yellow-1150:#514d00;--brand-sf-purple-1050:#150f22;--brand-sf-purple-1100:#221838;--brand-sf-purple-1150:#3e2d5e;--brand-sf-cream-1050:#1f1408;--brand-sf-cream-1100:#2e1a0a;--brand-sf-cream-1150:#5c3819;--brand-off-black:#191919;--brand-dark-grey:#37342e;--brand-off-white:#f7f6ef;--brand-pale-grey:#dfded6;--brand-light-grey:#b2b1a9;--brand-yellow:#f9f284;--brand-pink:var(--brand-sf-pink-500);--brand-placeholder:#626260;--brand-yellow-pure:#ffff82;--brand-peach:var(--brand-sf-peach-500);--brand-teal:var(--brand-sf-blue-500);--brand-lime:var(--brand-sf-lime-500);--mascot-tone-peach:var(--brand-sf-peach-500);--mascot-tone-lavender:var(--brand-sf-pink-500);--mascot-tone-yellow:var(--brand-sf-lemon-500);--mascot-tone-teal:var(--brand-sf-blue-500);--mascot-tone-lime:var(--brand-sf-lime-500);--brand-charcoal-50:#f8f8f8;--brand-charcoal-100:#f2f2f2;--brand-charcoal-200:#e4e4e4;--brand-charcoal-300:#989898;--brand-charcoal-400:#30302f;--brand-charcoal-500:#252525;--brand-charcoal-600:#1b1b1b;--brand-charcoal-700:#151515;--brand-charcoal-800:#0c0c0c;--brand-charcoal-900:#080808;--brand-charcoal-950:#030303;--brand-charcoal-1050:#181818;--brand-charcoal-1100:#262626;--brand-charcoal-1150:#4d4d4d;--brand-charcoal:var(--brand-charcoal-500);--brand-charcoal-text:var(--brand-charcoal-700);--brand-peach-light:#ffd8b4;--brand-purple-light:#f8e3ff;--brand-yellow-light:#ffffbd;--brand-teal-light:#c8f7f9;--brand-lime-light:#e8ffbd;--brand-off-white-tint:#eeecde;--brand-charcoal-tint:var(--brand-charcoal-400);--modality-capture-surface:var(--brand-sf-lemon-500);--modality-capture-emphasis:var(--brand-sf-lemon-700);--modality-capture-subtle:var(--brand-sf-lemon-200);--modality-practice-surface:var(--brand-sf-lime-500);--modality-practice-emphasis:var(--brand-sf-lime-700);--modality-practice-subtle:var(--brand-sf-lime-200);--modality-assess-surface:var(--brand-sf-blue-500);--modality-assess-emphasis:var(--brand-sf-blue-700);--modality-assess-subtle:var(--brand-sf-blue-200);--modality-tutoring-surface:var(--brand-sf-pink-500);--modality-tutoring-emphasis:var(--brand-sf-pink-700);--modality-tutoring-subtle:var(--brand-sf-pink-200);--modality-neutral-surface:var(--brand-charcoal-500);--modality-neutral-emphasis:var(--brand-charcoal-700);--modality-neutral-subtle:var(--brand-charcoal-200);--product-notes:var(--brand-sf-lemon-500);--product-notes-ultra-low:var(--brand-sf-lemon-50);--product-notes-low:var(--brand-sf-lemon-200);--product-notes-high:var(--brand-sf-lemon-700);--product-notes-ultra-high:var(--brand-sf-lemon-900);--product-live-lecture:var(--brand-sf-lemon-500);--product-live-lecture-ultra-low:var(--brand-sf-lemon-50);--product-live-lecture-low:var(--brand-sf-lemon-200);--product-live-lecture-high:var(--brand-sf-lemon-700);--product-live-lecture-ultra-high:var(--brand-sf-lemon-900);--product-flashcards:var(--brand-sf-lime-500);--product-flashcards-ultra-low:var(--brand-sf-lime-50);--product-flashcards-low:var(--brand-sf-lime-200);--product-flashcards-high:var(--brand-sf-lime-700);--product-flashcards-ultra-high:var(--brand-sf-lime-900);--product-arcade:var(--brand-sf-lime-500);--product-arcade-ultra-low:var(--brand-sf-lime-50);--product-arcade-low:var(--brand-sf-lime-200);--product-arcade-high:var(--brand-sf-lime-700);--product-arcade-ultra-high:var(--brand-sf-lime-900);--product-match-game:var(--brand-sf-lime-500);--product-match-game-ultra-low:var(--brand-sf-lime-50);--product-match-game-low:var(--brand-sf-lime-200);--product-match-game-high:var(--brand-sf-lime-700);--product-match-game-ultra-high:var(--brand-sf-lime-900);--product-assignment-grading:var(--brand-sf-lime-500);--product-assignment-grading-ultra-low:var(--brand-sf-lime-50);--product-assignment-grading-low:var(--brand-sf-lime-200);--product-assignment-grading-high:var(--brand-sf-lime-700);--product-assignment-grading-ultra-high:var(--brand-sf-lime-900);--product-tests:var(--brand-sf-blue-500);--product-tests-ultra-low:var(--brand-sf-blue-50);--product-tests-low:var(--brand-sf-blue-200);--product-tests-high:var(--brand-sf-blue-700);--product-tests-ultra-high:var(--brand-sf-blue-900);--product-quizfetch:var(--brand-sf-blue-500);--product-quizfetch-ultra-low:var(--brand-sf-blue-50);--product-quizfetch-low:var(--brand-sf-blue-200);--product-quizfetch-high:var(--brand-sf-blue-700);--product-quizfetch-ultra-high:var(--brand-sf-blue-900);--product-tutor-me:var(--brand-sf-pink-500);--product-tutor-me-ultra-low:var(--brand-sf-pink-50);--product-tutor-me-low:var(--brand-sf-pink-200);--product-tutor-me-high:var(--brand-sf-pink-700);--product-tutor-me-ultra-high:var(--brand-sf-pink-900);--product-chat:var(--brand-sf-pink-500);--product-chat-ultra-low:var(--brand-sf-pink-50);--product-chat-low:var(--brand-sf-pink-200);--product-chat-high:var(--brand-sf-pink-700);--product-chat-ultra-high:var(--brand-sf-pink-900);--product-explainers:var(--brand-sf-pink-500);--product-explainers-ultra-low:var(--brand-sf-pink-50);--product-explainers-low:var(--brand-sf-pink-200);--product-explainers-high:var(--brand-sf-pink-700);--product-explainers-ultra-high:var(--brand-sf-pink-900);--product-audio-recap:var(--brand-sf-pink-500);--product-audio-recap-ultra-low:var(--brand-sf-pink-50);--product-audio-recap-low:var(--brand-sf-pink-200);--product-audio-recap-high:var(--brand-sf-pink-700);--product-audio-recap-ultra-high:var(--brand-sf-pink-900);--product-material:var(--brand-charcoal-500);--product-material-ultra-low:var(--brand-charcoal-50);--product-material-low:var(--brand-charcoal-200);--product-material-high:var(--brand-charcoal-700);--product-material-ultra-high:var(--brand-charcoal-900);--product-mini-apps:var(--brand-charcoal-500);--product-mini-apps-ultra-low:var(--brand-charcoal-50);--product-mini-apps-low:var(--brand-charcoal-200);--product-mini-apps-high:var(--brand-charcoal-700);--product-mini-apps-ultra-high:var(--brand-charcoal-900);--product-neutral:var(--brand-charcoal-500);--product-neutral-ultra-low:var(--brand-charcoal-50);--product-neutral-low:var(--brand-charcoal-100);--product-neutral-high:var(--brand-charcoal-700);--product-neutral-ultra-high:var(--brand-charcoal-900);--product-notes-on-tile:var(--product-notes-ultra-high);--product-notes-on-card:var(--product-notes-high);--product-live-lecture-on-tile:var(--product-live-lecture-ultra-high);--product-live-lecture-on-card:var(--product-live-lecture-high);--product-flashcards-on-tile:var(--product-flashcards-ultra-high);--product-flashcards-on-card:var(--product-flashcards-high);--product-arcade-on-tile:var(--product-arcade-ultra-high);--product-arcade-on-card:var(--product-arcade-high);--product-match-game-on-tile:var(--product-match-game-ultra-high);--product-match-game-on-card:var(--product-match-game-high);--product-assignment-grading-on-tile:var(--product-assignment-grading-ultra-high);--product-assignment-grading-on-card:var(--product-assignment-grading-high);--product-quizfetch-on-tile:var(--product-quizfetch-ultra-high);--product-quizfetch-on-card:var(--product-quizfetch-high);--product-tests-on-tile:var(--product-tests-ultra-high);--product-tests-on-card:var(--product-tests-high);--product-tutor-me-on-tile:var(--product-tutor-me-ultra-high);--product-tutor-me-on-card:var(--product-tutor-me-high);--product-chat-on-tile:var(--product-chat-ultra-high);--product-chat-on-card:var(--product-chat-high);--product-explainers-on-tile:var(--product-explainers-ultra-high);--product-explainers-on-card:var(--product-explainers-high);--product-audio-recap-on-tile:var(--product-audio-recap-ultra-high);--product-audio-recap-on-card:var(--product-audio-recap-high);--product-material-on-tile:var(--product-material-ultra-high);--product-material-on-card:var(--product-material-high);--product-mini-apps-on-tile:var(--product-mini-apps-ultra-high);--product-mini-apps-on-card:var(--product-mini-apps-high);--product-neutral-on-tile:var(--product-neutral-ultra-high);--product-neutral-on-card:var(--product-neutral-high);--background:#f7f6ef;--foreground:#191919;--card:#fff;--card-foreground:#191919;--callout-light:#fff;--callout-dark:#524e48;--callout:#fff;--transparent-hover-light:#1919190d;--transparent-hover-dark:#faf9f51a;--transparent-hover:var(--transparent-hover-light);--popover:#fff;--popover-foreground:#191919;--primary:#191919;--primary-foreground:#faf9f5;--secondary:#eceae0;--secondary-foreground:#191919;--muted:#eceae0;--muted-foreground:#716d66;--semi-muted:#f3f2ec;--semi-muted-foreground:#716d66;--mid-muted:#f1f0e9;--very-muted-foreground:#b8b4ab;--accent:#f2f0e8;--accent-foreground:#191919;--raised:var(--brand-primary-50);--surface-dim-dark:var(--accent);--destructive:#dc2626;--destructive-foreground:#fef2f2;--progress:var(--foreground);--border:#e5e5e5;--input:#e5e5e5;--ring:#a3a3a3;--ring-offset:#f7f6ef;--radius:12px;--radius-none:0px;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--radius-3xl:32px;--radius-4xl:40px;--radius-full:9999px;--chart-1:#ea580c;--chart-2:#0d9488;--chart-3:#164e63;--chart-4:#fbbf24;--chart-5:#f59e0b;--study-plan-covered-ultra-low:var(--brand-sf-pink-100);--study-plan-covered:var(--brand-sf-pink-300);--study-plan-covered-strong:var(--brand-sf-pink-400);--study-plan-covered-icon:var(--brand-sf-pink-700);--study-plan-mastered:var(--brand-sf-pink-900);--study-plan-assessment-border:var(--brand-sf-pink-500);--study-plan-assessment-caption:var(--brand-sf-pink-900);--study-plan-icon-circle:var(--brand-sf-pink-300);--study-plan-exam-marker:#dbeafe;--success:#6aba00;--success-light:#bcf887;--success-background:#f4ffeb;--success-foreground:#355800;--warning:#fbbf24;--warning-light:#fef08a;--warning-background:#fefce8;--warning-foreground:#854d0e;--info:#00b5c2;--info-light:#caf2f3;--info-background:#fafeff;--info-foreground:#006d75;--error:#ef4444;--error-light:#fecaca;--error-background:#fef2f2;--error-foreground:#991b1b;--confidence-low:#fed7aa;--confidence-mid:#f8e0ff;--confidence-high:#d7ffb4;--confidence-low-foreground:#7c2d12;--confidence-mid-foreground:#8a00b5;--confidence-high-foreground:#355800;--confidence-low-border:#fdba74;--confidence-mid-border:#f5d5ff;--confidence-high-border:#bcf887;--eval-easy:var(--brand-sf-lime-600);--eval-good:var(--brand-sf-pink-600);--eval-hard:var(--brand-sf-peach-600);--eval-again:var(--brand-sf-lemon-600);--eval-unreviewed:var(--muted-foreground);--upgrade:#0ea5e9;--upgrade-light:#bbeef0;--upgrade-light-hover:#7dd3fc;--upgrade-background:#f0f9ff;--upgrade-foreground:#075985;--sidebar:#171717;--sidebar-foreground:#a3a3a3;--sidebar-primary:#171717;--sidebar-primary-foreground:#fafafa;--sidebar-accent:#262626;--sidebar-accent-foreground:#fafafa;--sidebar-border:#5252524d;--sidebar-ring:#525252;--alpha-5:#fffffff2;--alpha-10:#ffffffe6;--alpha-20:#fffc;--alpha-30:#ffffffb3;--alpha-40:#fff9;--alpha-50:#ffffff80;--alpha-60:#fff6;--alpha-70:#ffffff4d;--alpha-80:#fff3;--alpha-90:#ffffff1a;--custom-bg-input:#fff;--custom-bg-calendar:#f7f6ef;--custom-accent-input:#faf9f5;--custom-accent-calendar:#faf9f5;--custom-input-strong:#e5e5e5;--custom-input-default:#e5e5e5;--custom-input-50:#e5e5e580;--custom-input-30-clear:#e5e5e54d;--custom-input-30:#e5e5e54d;--custom-muted-input:#eceae0;--custom-destructive-60:#dc2626;--custom-destructive-70:#dc2626;--custom-destructive-90:#dc2626;--custom-destructive-10:#dc26261a;--custom-destructive-overlay-light:#dc262633;--custom-destructive-20-30:#dc262633;--custom-destructive-overlay:#dc262666;--custom-destructive-40:#dc262666;--custom-amber-text:#78350f;--custom-amber-bg:#fffbeb;--custom-amber-surface:#fde68a;--custom-neutral-text:#262626;--custom-dark-input:transparent;--custom-outline:#a3a3a380;--custom-outline-subtle:#a3a3a31a;--custom-focus:#a3a3a380;--custom-primary-hover:color-mix(in srgb, var(--primary) 85%, transparent);--custom-primary-pressed:color-mix(in srgb, var(--primary) 95%, transparent);--custom-blue:#3b82f6;--custom-border:#e5e5e5;--custom-ring:#a3a3a3;--custom-ring-2:#a3a3a3;--custom-ring-3:#a3a3a3;--custom-popover-70:#ffffffb3;--custom-foreground-10:#0a0a0a1a;--custom-bg-overlay:#fff3;--custom-bg-primary-tint:#1919190d;--custom-alpha-overlay:#ffffffb3;--custom-callout:#e6ebff}.dark{--mascot-tone-peach:var(--brand-sf-peach-800);--mascot-tone-lavender:var(--brand-sf-pink-800);--mascot-tone-yellow:var(--brand-sf-lemon-800);--mascot-tone-teal:var(--brand-sf-blue-800);--mascot-tone-lime:var(--brand-sf-lime-800);--background:#191919;--foreground:#faf9f5;--card:#242220;--card-foreground:#faf9f5;--callout:#524e48;--transparent-hover:var(--transparent-hover-dark);--popover:#37342e;--popover-foreground:#faf9f5;--primary:#eceae0;--primary-foreground:#191919;--secondary:#242220;--secondary-foreground:#faf9f5;--muted:#37342e;--muted-foreground:#b8b4ab;--semi-muted:#242220;--semi-muted-foreground:#b8b4ab;--mid-muted:#2c2926;--very-muted-foreground:#716d66;--accent:#2e2b26;--accent-foreground:#faf9f5;--raised:#1f1d1c;--surface-dim-dark:#2d2a26;--destructive:#f87171;--destructive-foreground:#fef2f2;--progress:var(--foreground);--border:#ffffff1a;--input:#ffffff26;--ring:#a3a3a3;--ring-offset:#191919;--chart-1:#1d4ed8;--chart-2:#10b981;--chart-3:#f59e0b;--chart-4:#a855f7;--chart-5:#f43f5e;--study-plan-covered-ultra-low:var(--brand-sf-pink-1050);--study-plan-covered:var(--brand-sf-pink-600);--study-plan-covered-strong:var(--brand-sf-pink-700);--study-plan-covered-icon:var(--brand-sf-pink-700);--study-plan-mastered:var(--brand-sf-pink-900);--study-plan-assessment-border:var(--brand-sf-pink-1150);--study-plan-assessment-caption:var(--brand-sf-pink-300);--study-plan-icon-circle:var(--brand-sf-pink-1100);--study-plan-exam-marker:#2c3a55;--success:#dfffc3;--success-light:#40552a;--success-background:#1e2b0f;--success-foreground:#f4ffeb;--warning:#fcd34d;--warning-light:#92400e;--warning-background:#451a03;--warning-foreground:#fde68a;--info:#00b5c2;--info-light:#00929c;--info-background:#00363a;--info-foreground:#d5fdff;--error:#f87171;--error-light:#991b1b;--error-background:#450a0a;--error-foreground:#fecaca;--confidence-low:#9a3412;--confidence-mid:#c05cdf;--confidence-high:#4c8100;--confidence-low-foreground:#ffedd5;--confidence-mid-foreground:#fcf6ff;--confidence-high-foreground:#f4ffeb;--confidence-low-border:#7c2d12;--confidence-mid-border:#8a00b5;--confidence-high-border:#355800;--eval-easy:var(--brand-sf-lime-500);--eval-good:var(--brand-sf-pink-500);--eval-hard:var(--brand-sf-peach-500);--eval-again:var(--brand-sf-lemon-500);--eval-unreviewed:var(--muted-foreground);--upgrade:#38bdf8;--upgrade-light:#075985;--upgrade-light-hover:#0369a1;--upgrade-background:#082f49;--upgrade-foreground:#bae6fd;--sidebar:#171717;--sidebar-foreground:#a3a3a3;--sidebar-primary:#171717;--sidebar-primary-foreground:#fafafa;--sidebar-accent:#262626;--sidebar-accent-foreground:#fafafa;--sidebar-border:#5252524d;--sidebar-ring:#525252;--alpha-5:#0a0a0af2;--alpha-10:#0a0a0ae6;--alpha-20:#0a0a0acc;--alpha-30:#0a0a0ab3;--alpha-40:#0a0a0a99;--alpha-50:#0a0a0a80;--alpha-60:#0a0a0a66;--alpha-70:#0a0a0a4d;--alpha-80:#0a0a0a33;--alpha-90:#0a0a0a1a;--custom-bg-input:#ffffff0d;--custom-bg-calendar:#ffffff0d;--custom-accent-input:#ffffff14;--custom-accent-calendar:#ffffff14;--custom-input-strong:#ffffff1f;--custom-input-default:#ffffff26;--custom-input-50:#ffffff26;--custom-input-30-clear:transparent;--custom-input-30:#ffffff26;--custom-muted-input:#ffffff14;--custom-destructive-60:#f8717199;--custom-destructive-70:#f87171b3;--custom-destructive-90:#f87171e6;--custom-destructive-10:#f8717133;--custom-destructive-overlay-light:#f8717166;--custom-destructive-20-30:#f871714d;--custom-destructive-overlay:#f8717199;--custom-destructive-40:#f8717166;--custom-amber-text:#fffbeb;--custom-amber-bg:#451a03;--custom-amber-surface:#78350f;--custom-neutral-text:#d4d4d4;--custom-dark-input:#ffffff26;--custom-outline:#73737380;--custom-outline-subtle:#73737333;--custom-focus:#a3a3a380;--custom-blue:#2563eb;--custom-border:#ffffff26;--custom-ring:#ffffff26;--custom-ring-2:#ffffff26;--custom-ring-3:#ffffff26;--custom-primary-hover:color-mix(in srgb, var(--primary) 85%, transparent);--custom-primary-pressed:color-mix(in srgb, var(--primary) 95%, transparent);--custom-popover-70:#262626b3;--custom-foreground-10:#fafafa1a;--custom-bg-overlay:#0a0a0a1a;--custom-bg-primary-tint:#ffffff0d;--custom-alpha-overlay:#0a0a0acc;--custom-callout:#1d4ed8;--product-notes:var(--brand-sf-lemon-1100);--product-notes-ultra-low:var(--brand-sf-lemon-1050);--product-notes-low:var(--brand-sf-lemon-1050);--product-notes-high:var(--brand-sf-lemon-600);--product-notes-ultra-high:var(--brand-sf-lemon-200);--product-live-lecture:var(--brand-sf-lemon-1100);--product-live-lecture-ultra-low:var(--brand-sf-lemon-1050);--product-live-lecture-low:var(--brand-sf-lemon-1050);--product-live-lecture-high:var(--brand-sf-lemon-600);--product-live-lecture-ultra-high:var(--brand-sf-lemon-200);--product-flashcards:var(--brand-sf-lime-1100);--product-flashcards-ultra-low:var(--brand-sf-lime-1050);--product-flashcards-low:var(--brand-sf-lime-1050);--product-flashcards-high:var(--brand-sf-lime-600);--product-flashcards-ultra-high:var(--brand-sf-lime-200);--product-arcade:var(--brand-sf-lime-1100);--product-arcade-ultra-low:var(--brand-sf-lime-1050);--product-arcade-low:var(--brand-sf-lime-1050);--product-arcade-high:var(--brand-sf-lime-600);--product-arcade-ultra-high:var(--brand-sf-lime-200);--product-match-game:var(--brand-sf-lime-1100);--product-match-game-ultra-low:var(--brand-sf-lime-1050);--product-match-game-low:var(--brand-sf-lime-1050);--product-match-game-high:var(--brand-sf-lime-600);--product-match-game-ultra-high:var(--brand-sf-lime-200);--product-assignment-grading:var(--brand-sf-lime-1100);--product-assignment-grading-ultra-low:var(--brand-sf-lime-1050);--product-assignment-grading-low:var(--brand-sf-lime-1050);--product-assignment-grading-high:var(--brand-sf-lime-600);--product-assignment-grading-ultra-high:var(--brand-sf-lime-200);--product-tests:var(--brand-sf-blue-1100);--product-tests-ultra-low:var(--brand-sf-blue-1050);--product-tests-low:var(--brand-sf-blue-1050);--product-tests-high:var(--brand-sf-blue-600);--product-tests-ultra-high:var(--brand-sf-blue-200);--product-quizfetch:var(--brand-sf-blue-1100);--product-quizfetch-ultra-low:var(--brand-sf-blue-1050);--product-quizfetch-low:var(--brand-sf-blue-1050);--product-quizfetch-high:var(--brand-sf-blue-600);--product-quizfetch-ultra-high:var(--brand-sf-blue-200);--product-tutor-me:var(--brand-sf-pink-1100);--product-tutor-me-ultra-low:var(--brand-sf-pink-1050);--product-tutor-me-low:var(--brand-sf-pink-1050);--product-tutor-me-high:var(--brand-sf-pink-600);--product-tutor-me-ultra-high:var(--brand-sf-pink-200);--product-chat:var(--brand-sf-pink-1100);--product-chat-ultra-low:var(--brand-sf-pink-1050);--product-chat-low:var(--brand-sf-pink-1050);--product-chat-high:var(--brand-sf-pink-600);--product-chat-ultra-high:var(--brand-sf-pink-200);--product-explainers:var(--brand-sf-pink-1100);--product-explainers-ultra-low:var(--brand-sf-pink-1050);--product-explainers-low:var(--brand-sf-pink-1050);--product-explainers-high:var(--brand-sf-pink-600);--product-explainers-ultra-high:var(--brand-sf-pink-200);--product-audio-recap:var(--brand-sf-pink-1100);--product-audio-recap-ultra-low:var(--brand-sf-pink-1050);--product-audio-recap-low:var(--brand-sf-pink-1050);--product-audio-recap-high:var(--brand-sf-pink-600);--product-audio-recap-ultra-high:var(--brand-sf-pink-200);--product-material:var(--brand-charcoal-1100);--product-material-ultra-low:var(--brand-charcoal-1050);--product-material-low:var(--brand-charcoal-1050);--product-material-high:var(--brand-charcoal-200);--product-material-ultra-high:var(--brand-charcoal-100);--product-mini-apps:var(--brand-charcoal-1100);--product-mini-apps-ultra-low:var(--brand-charcoal-1050);--product-mini-apps-low:var(--brand-charcoal-1050);--product-mini-apps-high:var(--brand-charcoal-200);--product-mini-apps-ultra-high:var(--brand-charcoal-100);--product-neutral:var(--brand-charcoal-1100);--product-neutral-ultra-low:var(--brand-charcoal-1050);--product-neutral-low:var(--brand-charcoal-800);--product-neutral-high:var(--brand-charcoal-200);--product-neutral-ultra-high:var(--brand-charcoal-100);--product-notes-on-card:var(--product-notes-high);--product-notes-on-tile:var(--product-notes-ultra-high);--product-live-lecture-on-card:var(--product-live-lecture-high);--product-live-lecture-on-tile:var(--product-live-lecture-ultra-high);--product-flashcards-on-card:var(--product-flashcards-high);--product-flashcards-on-tile:var(--product-flashcards-ultra-high);--product-arcade-on-card:var(--product-arcade-high);--product-arcade-on-tile:var(--product-arcade-ultra-high);--product-match-game-on-card:var(--product-match-game-high);--product-match-game-on-tile:var(--product-match-game-ultra-high);--product-assignment-grading-on-card:var(--product-assignment-grading-high);--product-assignment-grading-on-tile:var(--product-assignment-grading-ultra-high);--product-tests-on-card:var(--product-tests-high);--product-tests-on-tile:var(--product-tests-ultra-high);--product-quizfetch-on-card:var(--product-quizfetch-high);--product-quizfetch-on-tile:var(--product-quizfetch-ultra-high);--product-tutor-me-on-card:var(--product-tutor-me-high);--product-tutor-me-on-tile:var(--product-tutor-me-ultra-high);--product-chat-on-card:var(--product-chat-high);--product-chat-on-tile:var(--product-chat-ultra-high);--product-explainers-on-card:var(--product-explainers-high);--product-explainers-on-tile:var(--product-explainers-ultra-high);--product-audio-recap-on-card:var(--product-audio-recap-high);--product-audio-recap-on-tile:var(--product-audio-recap-ultra-high);--product-material-on-card:var(--product-material-high);--product-material-on-tile:var(--product-material-ultra-high);--product-mini-apps-on-card:var(--product-mini-apps-high);--product-mini-apps-on-tile:var(--product-mini-apps-ultra-high);--product-neutral-on-card:var(--product-neutral-high);--product-neutral-on-tile:var(--product-neutral-ultra-high);--modality-capture-surface:var(--brand-sf-lemon-800);--modality-capture-emphasis:var(--brand-sf-lemon-600);--modality-capture-subtle:var(--brand-sf-lemon-900);--modality-practice-surface:var(--brand-sf-lime-800);--modality-practice-emphasis:var(--brand-sf-lime-600);--modality-practice-subtle:var(--brand-sf-lime-900);--modality-assess-surface:var(--brand-sf-blue-800);--modality-assess-emphasis:var(--brand-sf-blue-600);--modality-assess-subtle:var(--brand-sf-blue-900);--modality-tutoring-surface:var(--brand-sf-pink-800);--modality-tutoring-emphasis:var(--brand-sf-pink-600);--modality-tutoring-subtle:var(--brand-sf-pink-900);--modality-neutral-surface:var(--brand-charcoal-300);--modality-neutral-emphasis:var(--brand-charcoal-200);--modality-neutral-subtle:var(--brand-charcoal-800)}
:root{--font-primitive-serif:ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;--font-primitive-inter:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-primitive-jetbrains:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--font-sans:var(--font-primitive-inter);--font-serif:var(--font-primitive-serif);--font-mono:var(--font-primitive-jetbrains);--font-heading:var(--font-serif);--font-thin:100;--font-extralight:200;--font-light:300;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--font-extrabold:800;--font-black:900;--heading-xl-size:3.75rem;--heading-xl-line-height:3.75rem;--heading-xl-weight:500;--heading-xl-tracking:normal;--heading-xl-font:var(--font-serif);--heading-lg-size:3rem;--heading-lg-line-height:3rem;--heading-lg-weight:500;--heading-lg-tracking:normal;--heading-lg-font:var(--font-serif);--heading-md-size:2.25rem;--heading-md-line-height:2.5rem;--heading-md-weight:500;--heading-md-tracking:normal;--heading-md-font:var(--font-serif);--heading-sm-size:1.5rem;--heading-sm-line-height:2rem;--heading-sm-weight:500;--heading-sm-tracking:normal;--heading-sm-font:var(--font-serif);--heading-xs-size:1.25rem;--heading-xs-line-height:1.5rem;--heading-xs-weight:500;--heading-xs-tracking:0;--heading-display-size:9.5625rem;--heading-display-line-height:1.2;--heading-display-weight:500;--heading-display-tracking:normal;--heading-display-font:var(--font-serif);--heading-hero-size:4.545rem;--heading-hero-line-height:1.2;--heading-hero-weight:500;--heading-hero-tracking:normal;--heading-hero-font:var(--font-serif);--heading-h2-size:2.875rem;--heading-h2-line-height:1.2;--heading-h2-weight:500;--heading-h2-tracking:normal;--heading-h2-font:var(--font-serif);--heading-h3-size:2.75rem;--heading-h3-line-height:1.1;--heading-h3-weight:500;--heading-h3-tracking:normal;--heading-h3-font:var(--font-serif);--heading-quote-size:2.5rem;--heading-quote-line-height:1.2;--heading-quote-weight:500;--heading-quote-tracking:normal;--heading-quote-font:var(--font-serif);--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--text-7xl:4.5rem;--text-8xl:6rem;--text-9xl:8rem;--leading-xs:1rem;--leading-sm:1.25rem;--leading-base:1.5rem;--leading-lg:1.75rem;--leading-xl:1.75rem;--leading-2xl:2rem;--leading-3xl:2.25rem;--leading-4xl:2.5rem;--leading-5xl:3rem;--leading-6xl:3.75rem;--leading-7xl:4.5rem;--leading-8xl:6rem;--leading-9xl:8rem;--leading-1:.25rem;--leading-2:.5rem;--leading-3:.75rem;--leading-4:1rem;--leading-5:1.25rem;--leading-6:1.5rem;--leading-7:1.75rem;--leading-8:2rem;--leading-9:2.25rem;--leading-10:2.5rem;--tracking-tighter:-.05em;--tracking-tight:-.025em;--tracking-normal:0em;--tracking-wide:.025em;--tracking-wider:.05em;--tracking-widest:.1em;--body-size:1rem;--body-weight:300;--body-line-height:1.4;--body-tracking:.32px;--body-heading-size:1.125rem;--body-heading-weight:570;--body-heading-line-height:1.4;--body-heading-tracking:.36px;--subhead-size:1.375rem;--subhead-weight:570;--subhead-line-height:1.4;--subhead-tracking:normal;--button-size:.875rem;--button-weight:500;--button-line-height:1.25rem;--button-tracking:0;--nav-size:1rem;--nav-weight:400;--nav-line-height:1.5;--nav-tracking:.48px;--nav-heading-weight:600;--nav-heading-line-height:1.2;--section-label-size:1rem;--section-label-weight:400;--section-label-line-height:1.2}
:root{--space-0:0;--space-px:1px;--space-0-5:2px;--space-1:4px;--space-1-5:6px;--space-2:8px;--space-2-5:10px;--space-3:12px;--space-3-5:14px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:28px;--space-8:32px;--space-9:36px;--space-10:40px;--space-11:44px;--space-12:48px;--space-14:56px;--space-16:64px;--space-20:80px;--space-24:96px;--space-28:112px;--space-32:128px;--space-36:144px;--space-40:160px;--space-44:176px;--space-48:192px;--space-52:208px;--space-56:224px;--space-60:240px;--space-64:256px;--space-72:288px;--space-80:320px;--space-96:384px;--border-0:0;--border-1:1px;--border-2:2px;--border-3:3px;--border-4:4px;--stroke-0:0;--stroke-1:1px;--stroke-1-33:1.33px;--stroke-1-5:1.5px;--stroke-1-67:1.67px;--stroke-2:2px;--card-min-w-narrow:175px;--card-min-w-normal:240px;--card-min-w-wide:280px;--radius-card:25px;--radius-image:30px;--radius-section:60px;--radius-nav:40px;--radius-button:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-2xl:0 25px 50px -12px #00000040;--shadow-inner:inset 0 2px 4px 0 #0000000d;--z-0:0;--z-10:10;--z-20:20;--z-30:30;--z-40:40;--z-50:50;--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1280px;--breakpoint-2xl:1536px;--container-sm:640px;--container-md:768px;--container-lg:1024px;--container-xl:1280px;--container-2xl:1536px;--container-content:1320px;--opacity-0:0;--opacity-5:.05;--opacity-10:.1;--opacity-15:.15;--opacity-20:.2;--opacity-25:.25;--opacity-30:.3;--opacity-40:.4;--opacity-50:.5;--opacity-60:.6;--opacity-70:.7;--opacity-75:.75;--opacity-80:.8;--opacity-90:.9;--opacity-95:.95;--opacity-100:1;--icon-stroke-width:1.33px;--nav-height:80px;--nav-top-offset:60px;--nav-padding-x:22px;--nav-padding-y:23px;--card-padding:30px;--button-padding-y:16px;--button-padding-x:24px;--footer-column-gap:43px;--section-content-margin:260px}
:root{--container-padding-x:24px;--section-padding-y:96px;--section-title-gap-sm:16px;--section-title-gap-md:20px;--section-title-gap-lg:20px;--section-title-gap-xl:24px}@media (max-width:767px){:root{--container-padding-x:16px;--section-padding-y:64px;--section-title-gap-md:16px;--section-title-gap-lg:16px;--section-title-gap-xl:20px;--heading-xl-size:3rem;--heading-xl-line-height:3.3rem;--heading-xl-tracking:-1.2px;--heading-lg-size:2.25rem;--heading-lg-line-height:2.475rem;--heading-lg-tracking:-.9px;--heading-md-size:1.875rem;--heading-md-line-height:2.0625rem;--heading-md-tracking:-.75px;--heading-sm-size:1.25rem;--heading-sm-line-height:1.5rem;--heading-sm-tracking:-.5px;--heading-weight:600;--heading-display-size:4.5rem;--heading-display-line-height:1.2;--heading-hero-size:3rem;--heading-hero-line-height:1.2;--heading-hero-tracking:-1.2px;--heading-h2-size:2.25rem;--heading-h2-line-height:1.2;--heading-h2-tracking:-.72px;--heading-h3-size:2rem;--heading-h3-line-height:1.1;--heading-h3-tracking:-.64px;--heading-quote-size:1.75rem;--heading-quote-line-height:1.2;--heading-quote-tracking:-.56px}}
:root{--duration-75:75ms;--duration-100:.1s;--duration-150:.15s;--duration-200:.2s;--duration-300:.3s;--duration-500:.5s;--duration-700:.7s;--duration-1000:1s;--ease-calm:cubic-bezier(.32, .72, 0, 1);--ease-decisive:cubic-bezier(.7, 0, 0, 1);--ease-exit:cubic-bezier(.4, 0, 1, .8);--ease-standard:cubic-bezier(.4, 0, .2, 1);--ease-expressive:cubic-bezier(.34, 1.3, .64, 1);--ease-pop:cubic-bezier(.34, 1.56, .64, 1);--ease-out:cubic-bezier(0, 0, .58, 1);--ease-in:cubic-bezier(.4, 0, 1, 1);--ease-in-out:cubic-bezier(.4, 0, .2, 1);--duration-press-in:.13s;--duration-press-out:.2s;--duration-toggle:.24s;--duration-expand:.2s;--duration-confirm:.32s;--duration-pop-up:.12s;--duration-pop-settle:.2s;--duration-toast-fade:.2s;--duration-toast-enter:.32s;--duration-enter:.36s;--duration-exit:.28s;--duration-tab:.36s;--duration-screen-push:.42s;--duration-screen-pop:.36s;--duration-screen-modal:.46s;--duration-screen-tab:.42s;--duration-list-item-enter:.38s;--duration-shimmer:1.6s;--duration-progress-indeterminate:1.2s;--animate-accordion-down:accordion-down var(--duration-expand) var(--ease-out);--animate-accordion-up:accordion-up var(--duration-expand) var(--ease-out)}@property --dock{syntax:"<number>";inherits:true;initial-value:0}@keyframes accordion-down{0%{height:0}to{height:var(--radix-accordion-content-height)}}@keyframes accordion-up{0%{height:var(--radix-accordion-content-height)}to{height:0}}
:root{--grid-columns:12;--grid-gap:var(--space-6)}.sf-container{width:100%;max-width:var(--container-content);padding-left:var(--container-padding-x);padding-right:var(--container-padding-x);margin-left:auto;margin-right:auto}.sf-row{grid-template-columns:repeat(var(--grid-columns), 1fr);gap:var(--grid-gap);display:grid}.col-1{grid-column:span 1}.col-2{grid-column:span 2}.col-3{grid-column:span 3}.col-4{grid-column:span 4}.col-5{grid-column:span 5}.col-6{grid-column:span 6}.col-7{grid-column:span 7}.col-8{grid-column:span 8}.col-9{grid-column:span 9}.col-10{grid-column:span 10}.col-11{grid-column:span 11}.col-12{grid-column:span 12}.col-start-1{grid-column-start:1}.col-start-2{grid-column-start:2}.col-start-3{grid-column-start:3}.col-start-4{grid-column-start:4}.col-start-5{grid-column-start:5}.col-start-6{grid-column-start:6}.col-start-7{grid-column-start:7}.col-start-8{grid-column-start:8}.col-start-9{grid-column-start:9}.col-start-10{grid-column-start:10}.col-start-11{grid-column-start:11}.col-start-12{grid-column-start:12}@media (max-width:767px){.sf-row{gap:var(--grid-gap);grid-template-columns:1fr}.col-1,.col-2,.col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-10,.col-11,.col-12{grid-column:span 1}.col-start-1,.col-start-2,.col-start-3,.col-start-4,.col-start-5,.col-start-6,.col-start-7,.col-start-8,.col-start-9,.col-start-10,.col-start-11,.col-start-12{grid-column-start:auto}.col-m-1{grid-column:span 1}.col-m-2{grid-column:span 2}.col-m-3{grid-column:span 3}.col-m-4{grid-column:span 4}.col-m-5{grid-column:span 5}.col-m-6{grid-column:span 6}.col-m-7{grid-column:span 7}.col-m-8{grid-column:span 8}.col-m-9{grid-column:span 9}.col-m-10{grid-column:span 10}.col-m-11{grid-column:span 11}.col-m-12{grid-column:span 12}}
:root{--sfb-nav-height:var(--nav-height);--sfb-nav-top:32px;--sfb-nav-banner-offset:0px;transition:--dock .5s cubic-bezier(.33,1,.68,1)}:root[data-nav-docked]{transition:--dock .42s cubic-bezier(.22,1,.36,1)}@media (prefers-reduced-motion:reduce){:root,:root[data-nav-docked]{transition:none}}@media (max-width:959px){:root{--sfb-nav-height:60px;--sfb-nav-top:16px}}.sfb-nav-pill{margin-top:calc(var(--sfb-nav-top) * (1 - var(--dock,0)));width:calc(100% - 2 * var(--container-padding-x) * (1 - var(--dock,0)));max-width:calc(var(--container-content) + (100% - var(--container-content)) * var(--dock,0));height:var(--sfb-nav-height);padding-inline:var(--nav-padding-x);border-radius:calc(var(--radius-nav) * (1 - var(--dock,0)));margin-inline:auto}:root[data-nav-docked] .sfb-nav-pill{padding-inline:var(--container-padding-x);border-top-width:0;border-inline-width:0}@media (max-width:767px){.sfb-nav-pill{width:100%;max-width:none;padding-inline:var(--container-padding-x);border-top-width:0;border-inline-width:0;border-radius:0;margin-top:0}}.sfb-nav-panel{top:calc(var(--sfb-nav-banner-offset,0px) + var(--sfb-nav-top) * (1 - var(--dock,0)) + var(--sfb-nav-height) + 8px);width:calc(100% - 2 * var(--container-padding-x));max-width:var(--container-content);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease-in-out,transform .22s ease-in-out,visibility 0s linear .22s;position:fixed;left:50%;transform:translate(-50%)translateY(-8px)}.sfb-nav-panel:before{content:"";height:12px;position:absolute;top:-12px;left:0;right:0}.sfb-nav-panel[data-open=true]{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .22s ease-in-out,transform .22s ease-in-out,visibility linear;transform:translate(-50%)translateY(0)}@media (prefers-reduced-motion:reduce){.sfb-nav-panel,.sfb-nav-panel[data-open=true]{transition:visibility linear}}